Configuring email on smart device

What is the name of the domain?

What is the issue you’re encountering

I’ve added an email address via apple. I’m unclear how I configure my device to actually receive email using this address.Can you advise?

Email Routing feature forwards emails sent to e.g. [email protected] to [email protected].

Adding your address and adding your destination address for your domain name by following the instructions from below article, you’d be able to achieve such expected behaviour: